Ключевые слова: cardio, cardiology, check, checkup, clinical, cure, device, diagnosis, disease, equipment, examination, examine, frequency, health, healthcare, healthy, hear, heart, heartbeat, hospital, illness, instrument, measurement, medical, metal, nurse, patient, physician, pressure, pulse, rate, rubber, sick, sound, stethescope, stethoscope, stetoscope, test, treatment, wellness, white,